var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var cors = require('cors')
var expressJWT = require('express-jwt');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');

var app = express();
app.use(cors());

// app.use(expressJWT({}).unless({ path: ['/login'] }))
// // 注册token验证中间件
// app.use(expressJWT({
//   // 解析口令 需要和加密的时候保持一致
//   secret: "qwerwxt",
//   // 加密方式 SHA256 加密方式在express-jwt 里面叫做 HS256
//   algorithms: ["HS256"]
// }).unless({
//   // 不需要验证token 的路径标识（下面的路由不需要进行token验证）
//   path: ["/login", "/zhuce", "/getpath", '/']
// }))
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());

// 虚拟路由
app.use('/upload', express.static('upload'))
app.use(express.static(path.join(__dirname, 'upload')));

app.use('/', indexRouter);
app.use('/users', usersRouter);


// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  console.log(err);
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  // res.status(err.status || 500);
  // res.render('error');
});

module.exports = app;
